[bpt/emacs.git] / src / m / tahoe.h

/* machine description file for tahoe.
   Copyright (C) 1985 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */


/* The following line tells the configuration script what sort of 
   operating system this machine is likely to run.
   USUAL-OPSYS="note"

NOTE-START
Use -opsystem=bsd4-2 or -opsystem=bsd4-3, depending on the version of
Berkeley you are running.
NOTE-END  */

/* The following three symbols give information on
 the size of various data types.  */

#define SHORTBITS 16		/* Number of bits in a short */

#define INTBITS 32		/* Number of bits in an int */

#define LONGBITS 32		/* Number of bits in a long */

/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
   is the most significant byte.  */

#define WORDS_BIG_ENDIAN

/* XINT must explicitly sign-extend */

#define EXPLICIT_SIGN_EXTEND

/* Say this machine is a tahoe */

#ifndef tahoe
#define tahoe
#endif /* not tahoe */

/* Use type int rather than a union, to represent Lisp_Object */

#define NO_UNION_TYPE

/* crt0.c should use the vax-bsd style of entry, with no dummy args.  */

#define CRT0_DUMMIES

/* crt0.c should define a symbol `start' and do .globl with a dot.  */

#define DOT_GLOBAL_START

/* Data type of load average, as read out of kmem.  */

#define LOAD_AVE_TYPE double

/* Convert that into an integer that is 100 for a load average of 1.0  */

#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))

/* This triggers some stuff to avoid a compiler bug */

#define TAHOE_REGISTER_BUG

/* System provides alloca.  */

#define HAVE_ALLOCA
Commit	Line	Data
20c428fd JB	1	/* machine description file for tahoe.
	2	Copyright (C) 1985 Free Software Foundation, Inc.
	3
	4	This file is part of GNU Emacs.
	5
	6	GNU Emacs is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
17385adc	8	the Free Software Foundation; either version 2, or (at your option)
20c428fd JB	9	any later version.
	10
	11	GNU Emacs is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU Emacs; see the file COPYING. If not, write to
	18	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20
	21	/* The following line tells the configuration script what sort of
	22	operating system this machine is likely to run.
	23	USUAL-OPSYS="note"
	24
	25	NOTE-START
	26	Use -opsystem=bsd4-2 or -opsystem=bsd4-3, depending on the version of
	27	Berkeley you are running.
	28	NOTE-END */
	29
	30	/* The following three symbols give information on
	31	the size of various data types. */
	32
	33	#define SHORTBITS 16 /* Number of bits in a short */
	34
	35	#define INTBITS 32 /* Number of bits in an int */
	36
	37	#define LONGBITS 32 /* Number of bits in a long */
	38
74d3f806 KH	39	/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
	40	is the most significant byte. */
	41
	42	#define WORDS_BIG_ENDIAN
	43
20c428fd JB	44	/* XINT must explicitly sign-extend */
	45
	46	#define EXPLICIT_SIGN_EXTEND
	47
20c428fd JB	48	/* Say this machine is a tahoe */
	49
	50	#ifndef tahoe
	51	#define tahoe
	52	#endif /* not tahoe */
	53
	54	/* Use type int rather than a union, to represent Lisp_Object */
	55
	56	#define NO_UNION_TYPE
	57
	58	/* crt0.c should use the vax-bsd style of entry, with no dummy args. */
	59
	60	#define CRT0_DUMMIES
	61
	62	/* crt0.c should define a symbol `start' and do .globl with a dot. */
	63
	64	#define DOT_GLOBAL_START
	65
	66	/* Data type of load average, as read out of kmem. */
	67
	68	#define LOAD_AVE_TYPE double
	69
	70	/* Convert that into an integer that is 100 for a load average of 1.0 */
	71
	72	#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
	73
	74	/* This triggers some stuff to avoid a compiler bug */
	75
	76	#define TAHOE_REGISTER_BUG
	77
	78	/* System provides alloca. */
	79
	80	#define HAVE_ALLOCA